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13240421130 = 2351931773277
BaseRepresentation
bin11000101010011000…
…01100101100001010
31021011202012002020210
430111030030230022
5204104021434010
610025500101550
7646052502606
oct142514145412
937152162223
1013240421130
115684966402
1226962348b6
13133013c421
148d8670506
155275e2b20
hex31530cb0a

13240421130 has 64 divisors (see below), whose sum is σ = 33555461760. Its totient is φ = 3334351104.

The previous prime is 13240421123. The next prime is 13240421167. The reversal of 13240421130 is 3112404231.

It is a junction number, because it is equal to n+sod(n) for n = 13240421097 and 13240421106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144052 + ... + 217328.

It is an arithmetic number, because the mean of its divisors is an integer number (524304090).

Almost surely, 213240421130 is an apocalyptic number.

13240421130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13240421130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16777730880).

13240421130 is an abundant number, since it is smaller than the sum of its proper divisors (20315040630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13240421130 is a wasteful number, since it uses less digits than its factorization.

13240421130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73623.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13240421130 its reverse (3112404231), we get a palindrome (16352825361).

The spelling of 13240421130 in words is "thirteen billion, two hundred forty million, four hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 317 570 634 951 1585 1902 3170 4755 6023 9510 12046 18069 30115 36138 60230 73277 90345 146554 180690 219831 366385 439662 732770 1099155 1392263 2198310 2784526 4176789 6961315 8353578 13922630 20883945 23228809 41767890 46457618 69686427 116144045 139372854 232288090 348432135 441347371 696864270 882694742 1324042113 2206736855 2648084226 4413473710 6620210565 13240421130